Home / 12,889,111.18-17,787,310.54-7,009,089.27

Finding the Fourth Proportional to 12,889,111.18, 17,787,310.54 and 7,009,089.27

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Solution

The fourth proportional to 12,889,111.18, 17,787,310.54 and 7,009,089.27 is: 9,672,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,111.18 : 17,787,310.54 = 7,009,089.27 : x
  2. Step 2: Convert to fraction form
    12,889,111.18/17,787,310.54 = 7,009,089.27/x
  3. Step 3: Cross multiply
    12,889,111.18x = 17,787,310.54 × 7,009,089.27
  4. Step 4: Simplify right side
    12,889,111.18x = 124,672,847,341,612.64
  5. Step 5: Solve for x
    x = 124,672,847,341,612.64/12,889,111.18
  6. Step 6: Final answer
    x = 9,672,726.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.